Homebrew PCBs

In a message dated 6/10/2005 6:25:17 A.M. Central Daylight Time,  
stefan_trethan@... writes:

How can  those rings be set? does it work with a metal tube and a  little 
hammer?<<
No, ST.  Use a small press.  Need not be a precision  manufactured thing, 
just a bit of bar-stock with an axle through the end, and a  flat surface upon 
which to place your work-piece.  Using a hammer will  surely damage the bits!

Also, if  somebody knows a inch/metric PCB drill conversion table (with the 
#),  please let me know. it isn't that important as i can easily calculate it  
myself, but if you know a url...<<
If you mean the American "Drill-numbering system", it cannot  be 
"calculated".  These numbers are quite random, and the ONLY thing  "regular" is that the 
size INCREASES as the number DECREASES.  A "Chart"  with the diameters in both 
inch and metric is surely available.  If I had a  scanner, I'd find one and 
send it to you, but I do NOT have a scanner, and, as  there would be THOUSANDS 
of characters (#'s) to type, and I am very, very lazy,  sorry!                  
  Jan  Rowland





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